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Old 1 Desember 2008, 01:18
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VSG VSG is offline
Begin om Crack GMAT
 
Join Date: Jun 2008
Location: South Africa
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Ontvang 14 Dankie in 11 Posts
IMO E

explnantion;
4 tratctors ploeg in 'n 12 uur
sodat in die 1ur vier trekker kan ploegmes
1/12..field
sodat 6 trekker kan ploegmes
4 ~ 1 / 12
6 ~ X
sodat X \u003d (6 * 1 / 12) / 4
X \u003d 6 / 48
X-\u003d 1 / 8
dus in 1 uur 1 / 8 veld na Groot Beer volledige veld sal dit 8 ure neem
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